Once GuruHar Rai and his bodyguards were walking along the Sutlej River. There they metMughal troops which were marching from Lahore to Delhi. One of the Mughal officers named Muhammad Yarbeg Khan who was the grandson of Mukhlis Khan who had been killed by Guru Hargobind, inquired the name of the party and upon learning that it was Guru Har Rai, he immediately attacked seekingrevenge. Bhai Gaura came out of the shadows and defended Guru Har Rai with his troops. Muhammad Yarbeg Khan was slain by Bhai Gaura. Upon knowing that Bhai Gaura saved his life, Guru ji forgave Bhai Gaura.